Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
42808289TF
No factors below 273
TF target 272
P-1
B1 = 500000
B2 = 10250000
LL
StatusDateUserResidueShift
Verified2008-09-16Andrey Kurgannikov4A72FED13D4E74573101670
Verified2017-05-17Evgeniy Zavialov4A72FED13D4E745730586891
History
DateUserTypeResult
2020-04-19Sid & AndyNF
no factor from 2^72 to 2^73
2017-05-17Evgeniy ZavialovC-LL
4A72FED13D4E7457
2015-09-04-Anonymous-NF
no factor from 2^71 to 2^72
2015-04-15Mark RoseNF
no factor from 2^70 to 2^71
2015-03-01krackerNF
no factor from 2^69 to 2^70
2014-01-05LaurVNF
no factor from 2^68 to 2^69